ACME 3/8-12, 2 Start Components (6 Turns Per Inch)
◊ For screws measuring 3/8" diameter with 12 TPI and a 2 start acme thread form.
Photo Part # Component Need a flange? Price Buy
AC38122-LN

Anti-backlash Leadnuts (more pics)
◊ Stock Flange: 1.250 dia. x .250 thick
◊ Overall length: 1.100
◊ Spring clearance needed: .650 dia minimum
Add Your
Flange options
$17.50 ea.
AC38122-AC

Threaded Couplers (more info)
◊ Outside diameter: .860
◊ Length: 1.250

Select Bore Size:

(This is for the stepper shaft)
$15.25 ea.
AC38122-TC

Thread Clamps (more info)
◊ Outside diameter: .860
◊ Thickness: .375
$8.75 ea.
AC38122-FN

Flange Nuts
Non anti-backlash nuts for various uses.
◊ Stock Flange: 1.250 dia. x .250 thick
◊ Body dia: .625
◊ Overall length: .925
Add Your
Flange options
$10.00 ea.